, Volume 79, Issue 5, pp 635-639

Detecting submerged objects by Brillouin scattering

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Abstract

The principle of detecting submerged objects by Brillouin scattering is analyzed. It is based on testing the frequency shift rather than the intensity of the scattered signal. Experiments based on the principle are carried out. An actual detecting system for practical applications is designed, and the experimental results obtained by using the system are given. The experimental results show that the method of Brillouin scattering possesses several advantages compared to the method of testing the signal intensity. The conclusion is that Brillouin scattering is a good method for detecting submerged objects.

PACS

42.68.Wt; 42.79.Qx; 78.35.+c